‌The number of axes and their functions in CNC machining centers

‌Three-axis CNC machining center‌: Includes three linear axes (X, Y, and Z) and is suitable for most conventional milling, drilling, and cutting operations. Three-axis machines excel in machining flat parts and simple three-dimensional parts, but may be limited when processing complex surfaces‌.
‌Four-axis CNC machining center‌: Adds a rotary axis (usually A or B) to the three-axis, which can rotate the workpiece during machining to achieve more complex geometric shapes. Four-axis machines are suitable for machining parts with inclined surfaces or specific angle requirements‌.
‌Five-axis CNC machining center‌: Includes three linear axes (X, Y, and Z) and two rotary axes (usually A and B). This configuration provides extremely high machining flexibility and can complete machining at almost any angle in a single clamping. Five-axis machines are particularly suitable for machining complex spatial surfaces, molds, and aviation parts‌.